If 3x-4y=16 and xy=4,find the value of 9x^2+16y^2
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Answer:
the answer for your question is 352.
Step-by-step explanation:
simply square the given equation
(3x-4y)^2=256
9x^2+16y^2-24xy=256
and w.k.t. xy=4
so, 9x^2+16y^2=352
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